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			InitDevice1.c
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/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or 
 *   without modification, are permitted (subject to the limitations 
 *   in the disclaimer below) provided that the following conditions 
 *   are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 *   * Neither the name of Qualcomm Atheros nor the names of 
 *     its contributors may be used to endorse or promote products 
 *     derived from this software without specific prior written 
 *     permission.
 *
 *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE 
 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR 
 *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 
 *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   int InitDevice1 (struct plc * plc);
 *
 *   plc.h
 *
 *   configure volatile memory by finding the memctl applet in an
 *   older .nvm file then downloading it and executing it;
 *
 *   this implementation detects chipsets prior to INT6400 and uses
 *   VS_WR_MEM/VS_ST_MAC messages instead of VS_WRITE_AND_EXECUTE
 *   messages;
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

#ifndef INITDEVICE1_SOURCE
#define INITDEVICE1_SOURCE

#include &lt;stdint.h&gt;
#include &lt;unistd.h&gt;
#include &lt;memory.h&gt;
#include &lt;errno.h&gt;

#include &quot;../tools/memory.h&quot;
#include &quot;../tools/files.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../plc/plc.h&quot;
#include &quot;../nvm/nvm.h&quot;

int InitDevice1 (struct plc * plc)

{
	unsigned module = 0;
	struct nvm_header1 nvm_header;
	if (lseek (plc-&gt;NVM.file, 0, SEEK_SET))
	{
		error (1, errno, FILE_CANTHOME, plc-&gt;NVM.name);
	}
	do
	{
		if (read (plc-&gt;NVM.file, &amp;nvm_header, sizeof (nvm_header)) != sizeof (nvm_header))
		{
			error (1, errno, NVM_HDR_CANTREAD, plc-&gt;NVM.name, module);
		}
		if (LE32TOH (nvm_header.HEADERVERSION) != 0x60000000)
		{
			error (1, 0, NVM_HDR_VERSION, plc-&gt;NVM.name, module);
		}
		if (checksum32 (&amp;nvm_header, sizeof (nvm_header), 0))
		{
			error (1, 0, NVM_HDR_CHECKSUM, plc-&gt;NVM.name, module);
		}

#if 0

		if (_anyset (LE16TOH (nvm_header.IGNOREMASK), (1 &lt;&lt; (plc-&gt;hardwareID - 1))))
		{
			if (lseek (plc-&gt;NVM.file, LE32TOH (nvm_header.NEXTHEADER), SEEK_SET) == -1)
			{
				error (1, errno, &quot;Can't skip module: %s (%d)&quot;, plc-&gt;NVM.name, module);
			}
		}
		else

#endif

		if (nvm_header.IMAGETYPE == NVM_IMAGE_MEMCTL)
		{
			if (plc-&gt;hardwareID &lt; CHIPSET_AR7400)
			{
				if (WriteFirmware1 (plc, module, &amp;nvm_header))
				{
					return (-1);
				}
				if (StartFirmware1 (plc, module, &amp;nvm_header))
				{
					return (-1);
				}
				break;
			}
			WriteExecuteFirmware1 (plc, module, &amp;nvm_header);
			break;
		}
		if (lseek (plc-&gt;NVM.file, LE32TOH (nvm_header.NEXTHEADER), SEEK_SET) == -1)
		{
			error (1, errno, &quot;Can't skip module: %s (%d)&quot;, plc-&gt;NVM.name, module);
		}
		module++;
	}
	while (nvm_header.NEXTHEADER);
	return (0);
}

#endif


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